Graco LD 24H854, Repair Instructions

Page: 15 / 16

Instructions
3A1495C 15
Fig. 38.
4. Remove pilot valve (20) from the old air cylinder
(21). Apply a light coat of grease to o-rings.
5. Install pilot valve (20) into new air cylinder included
in the kit (Fig. 39). Torque to 95-105 in. lbs
(10.7-11.9 N.m).
6. Apply a thin coat of grease to o-rings (5) and o-ring
on bottom cover (14). Install the air cylinder (21)
over the bottom cover (14) / air piston (15) assem-
bly. Place the top of the air cylinder down on a clean
hard surface. Use the palms of your hands to press
the bottom cover firmly into the air cylinder (Fig. 40).
7. Install the 5 screws (4) wrench tight only.
NOTE: If installing a new air cylinder (27) the mating
holes are not threaded by design. Use thread form-
ing screws (4) to form threads as they are being
installed. Torque to 95-105 in.-lbs (10.7 - 11.8 N.m)
to ensure full thread formation.
8. To ensure there is a proper seal between the air
valve and manifold, loosen all 5 screws (4) approxi-
mately 1/8 to 1/4 turn (Fig. 41). These screws will be
torqued
AFTER the air valve (40) is installed.
9. Continue reassembly instructions Steps 8 - 13,
beginning on page 8.
10. Install gasket (30) into bottom cover (14) (Fig. 42).
11. Screw the connecting rod (32) and the displacement
rod (25) together, aligning the pin hole in both
Fig. 38
Fig. 39
25
14
22
21
20
Fig. 40
Fig. 41
14
21
4
14